Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"voi hoc nhat snippets" » "voi hoc phat snippets", "voi hoc chat snippets", "voi hoc hat snippets", "hoi hoc nhat snippets", "vi hoc nhat snippets", "voi ho nhat snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("voi hoc nhat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("voi hoc nhat snippets"))) OR ("locating bug core snippets")).
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